橙子

xml配置修改 打成war包 <packaging>war</packaging> 打成jar包 <packaging>jar</packaging> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-war-plugin</artifactId> <versi

bigdecimal与double运算 https://www.cnblogs.com/liuyk-code/p/6693002.html

缺少引用的包